White-tailed Deer
CRCritically Endangered

White-tailed Deer

Odocoileus virginianus

Conservation status data sourced from the IUCN Red List of Threatened Species.

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/White-tailed_deer

01Classification

Taxonomy & Classification

Kingdom

Animalia

Phylum

Chordata

Class

Mammalia

Order

Artiodactyla

Family

Cervidae

Genus

Odocoileus

White-tailed Deer belongs to the family Cervidae, order Artiodactyla, within the Mammalia class.

02Description

Species Profile

Species profile data sourced from the IUCN Red List of Threatened Species.

White-tailed Deer face severe population declines in certain regions due to habitat fragmentation from urban development and agricultural expansion, which isolates populations and reduces genetic diversity. Vehicle strikes on roads fragmenting their habitat cause significant mortality, while climate change alters vegetation patterns and increases disease transmission rates. Conservation status may vary by region or assessment authority, with some local populations experiencing critical declines despite broader species distribution.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupMammals
03Habitat

Habitat & Distribution

Deciduous and mixed forests, woodland edges, agricultural areas, grasslands, and shrublands from sea level to mountainous regions up to 3000m elevation. They utilize forest understory for cover and adjacent open areas including meadows, crop fields, and suburban landscapes for foraging.

TERRESTRIALMajorTERRESTRIALMajorTERRESTRIALMajor
04Threats

Threats

!

IUCN Red List: Critically Endangered

White-tailed Deer face severe population declines in certain regions due to habitat fragmentation from urban development and agricultural expansion, which isolates populations and reduces genetic diversity. Vehicle strikes on roads fragmenting their habitat cause significant mortality, while climate change alters vegetation patterns and increases disease transmission rates. Conservation status may vary by region or assessment authority, with some local populations experiencing critical declines despite broader species distribution.

Chronic wasting disease and other emerging pathogens

HighOngoing

Climate change affecting food sources and disease patterns

HighOngoing

Habitat fragmentation from urbanization and agriculture

HighOngoing

Vehicle collisions on roads bisecting habitat

HighOngoing

Genetic isolation of small fragmented populations

MediumOngoing
Community

Community Sightings

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07Sources

Sources & Attribution

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

This page: SpeciesRadar (2025). White-tailed Deer (Odocoileus virginianus). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/white-tailed-deer

Full citation guide & data usage terms